Electrically Heated Systems

Test 1 - 2:

Test 3 - 4:

SYMPTOM
DEFOG RELAY CONTROL CIRCUIT SHORTED TO BATT

WHEN MONITORED
With the Ignition on and the EBL switch depressed.

SET CONDITION
This DTC will set when the A/C Heater Control Module senses excessive current on the Heated Mirror Relay Control circuit.

POSSIBLE CAUSE
- Check for HVAC DTCs
- Heated mirror relay shorted to battery
- Integrated power module shorted to battery
- Heated mirror relay control shorted to battery
- A/C heater control module